salut, nu stiu daca ma aceeasi problema ca si voi dar si eu am un sunet. pe franna de motor, pe curba de dreapta se aude un clomcanit de undeva de pe transmisie. am tot sapat pe forumurile de afara si din cate se pare e o problema comuna. sa ajuns la concluzia ca e un defect de design la modelele mai vechi de E46 care duce in timp la sunetul asta. cica nu e un defect, e doar ''uzura''. oricum pe mine nu ma satisface raspunsul. din pacate nu se poate simula cloncanitul daca ridici masina si o testezi in aer pt ca nu exista aceleasi forte ca pe sosea. asa in aer merge perfect, nu se aude nimic pe frana de motor. io mai sap si daca mai aflu ceva va zic. daca rezolvati voi cumva scrieti aici ca e super enervant sa ai o masina premim care suna ca un tractoras. aici un raspuns de la un service din state si e dat unui posesor de M3. chestia e ca sunetul apare la aproape toate modelele de E46 mai vechi. I’m with BMW of North America, LLC. The M3 is a refined version BMW’s race cars. It is designed to provide optimum power and performance in a street legal package. In order to transmit engine torque to the rear wheels instantaneously, without any time lag, the whole M3 power train was designed with maximum torsional rigidity. To achieve this maximum torsional rigidity, the flywheel mass and its damping capability has been reduced to a minimum. As a result, during an abrupt torque transfer (e.g. 1st to 2nd gearshift at low engine speeds) the driver can receive an acoustic feedback, which can be interpreted as a “clunking or rattling” noise. The acoustic feedback characteristic is not a symptom of a failure, and does not compromise long-term reliability of drivetrain components (clutch, transmission, differential), nor does it adversely affect performance of the vehicle. If you have any questions, you can phone us at 800-831-1117.